Complementary Metal-Oxide Semiconductor (CMOS)

Programming, Reprogramming Quantum Computers

University of Bristol researchers efforts push quantum computer programming forward. This work helps overcome the challenge of precision-entanglement beyond the current single-qubit systems. Using CMOS-compatible photonic components and metal-oxide semi-conductors, their device has proven two-qubit operations with 93% (+/- 4.5%) efficiency. “Photonics is a promising platform for implementing universal quantum information processing. Its main challenges include precise control of massive circuits of linear optical components and effective implementation of entangling operations on photons.” 

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